From: Mike Ryan <mike.ryan@inktank.com>
To: Sylvain Munaut <s.munaut@whatever-company.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: RBD Async request: When / How are the call back called ?
Date: Thu, 30 Aug 2012 07:52:10 -0700 [thread overview]
Message-ID: <20120830145209.GE19573@splice> (raw)
In-Reply-To: <CAF6-1L7GstF3ooOV7hOfCKXvFPP51Ce-mFovpt5oRm-_T=sffg@mail.gmail.com>
On Thu, Aug 30, 2012 at 02:16:36PM +0200, Sylvain Munaut wrote:
> One more question: When I have async read pending, I would have
> expected rbd_flush and/or rbd_close to wait for them to finish but
> they dont. Is there a way to wait for all operation to be complete ?
> Because if I shutdown everything before they are, the application
> hangs ...
There's nothing in the API for that. You have to manually iterate over
all your completion contexts calling wait_for_safe_and_cb() on each.
Note: even if you don't have a callback, you should use the _cb()
version. I just fixed a use-after-free bug the was caused by this.
next prev parent reply other threads:[~2012-08-30 14:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-29 14:57 RBD Async request: When / How are the call back called ? Sylvain Munaut
2012-08-29 16:47 ` Mike Ryan
2012-08-29 16:48 ` Josh Durgin
2012-08-30 12:16 ` Sylvain Munaut
2012-08-30 14:52 ` Mike Ryan [this message]
2012-08-30 15:39 ` Josh Durgin
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